//设置变量
@bg-color:#b7d4a8;

//清除默认的样式
*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body{
  font:bold 20px "Courier";
}
//设置主窗口的样式
#main{
  width: 360px;
  height: 420px;
  background-color: @bg-color;
  margin: 100px auto;
  border: 10px solid black;
  border-radius: 40px;
  display: flex;
  //设置主轴方向
  flex-flow: column;
  //设置侧轴对齐方式
  align-items:center ;
  //设置主轴对齐方式
  justify-content: space-around;
}
//游戏舞台
#stage{
  width: 304px;
  height: 304px;
  border: 2px solid black;
  //开启相对定位
  position: relative;
  //设置蛇的样式
  #snake{
    &>div{
      width: 10px;
      height: 10px;
      background-color: black;
      border: 1px solid @bg-color;

      //开启绝对定位
      position: absolute;
    }
  }

  #food{
    width: 10px;
    height: 10px;
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
    align-content: space-between;
    //开启绝对定位
    position: absolute;
    left: 40px;
    top: 100px;
    &>div{
      width: 4px;
      height: 4px;
      background-color: black;
      transform: rotate(45deg);
    }
  }
}

//积分牌
#score-panel{
  width: 300px;
  display: flex;
  justify-content: space-between;
}
